Preliminary Information; Table 5-2 Voltage And Milliamp Equivalents For Input 2 Range Values; Table 5-3 Equipment Needed; Figure 5-1 Input 1 And Input 2 Wiring Terminals - Honeywell UDC2500 Product Manual

Table 5-2 Voltage and Milliamp Equivalents for Input 2 Range Values

Sensor Type
Linear
Milliamps
Volts

5.3 Preliminary Information

Disconnect the Field Wiring
Tag and disconnect any field wiring connected to the input (#1 or #2) terminals on the
rear of the controller.
Input 1
Connections
Equipment Needed
Table 5-3 lists the equipment you will need to calibrate the specific types of inputs that
are listed in the table. You will need a screwdriver to connect these devices to your
controller.
Type of Input
Thermocouple
Inputs (Ice Bath)
Thermocouple
Inputs (T/C Source)
4/07
PV Input Range
4 to 20 mA
0 to 20 mA
1 to 5 Volts
0 to 5 Volts
0 to 2 Volts
R
25 R
+
26 +
_
27 –
Input 1

Figure 5-1 Input 1 and Input 2 Wiring Terminals

Table 5-3 Equipment Needed

•
A calibrating device with at least ± 0.02 % accuracy for use as a
signal source such as a millivolt source.
•
Thermocouple extension wire that corresponds with the type of
thermocouple that will be used with the controller input.
•
Two insulated copper leads for connecting the thermocouple
extension wire from the ice baths to the mV source.
•
Two containers of crushed ice.
•
A calibrating device with at least ± 0.02 % accuracy for use as a
signal source such as a millivolt source.
•
Thermocouple extension wire that corresponds with the type of
thermocouple that will be used with controller input.
UDC2500 Universal Digital Controller Product Manual
0 %
4.00 mA
0.00 mA
1.00 Volts
0.00 Volts
0.00 Volts
mA+
Input 2
Volt+
Connections
_
Equipment Needed
Input Calibration
Range Values
100 %
20.00 mA
20.00 mA
5.00 Volts
5.00 Volts
2.00 Volts
22 mA+
23 V+
24 –
Input 2
XXXX
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